| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.59 | -0.37 |
| Feb | 2.87 | 3.01 | -0.14 |
| Mar | 4.12 | 4.13 | -0.01 |
| Apr | 3.70 | 3.89 | -0.19 |
| May | 3.37 | 3.37 | 0.00 |
| Jun | 3.94 | 3.83 | 0.11 |
| Jul | 3.47 | 3.18 | 0.29 |
| Aug | 4.07 | 3.85 | 0.22 |
| Sep | 3.77 | 3.67 | 0.10 |
| Oct | 3.83 | 3.99 | -0.16 |
| Nov | 3.22 | 3.20 | 0.02 |
| Dec | 4.17 | 4.40 | -0.23 |
43.75 | 44.11 | -0.36 |